am 5744cd6a: am 90dc48b1: Merge "call into hwcomposer HAL when present" into gingerbread

Merge commit '5744cd6ac8308b18d32938ee19ad3c8bb8b0fad5'

* commit '5744cd6ac8308b18d32938ee19ad3c8bb8b0fad5':
  call into hwcomposer HAL when present